package com.chen.thread.service;

import com.chen.thread.dto.User2;
import com.chen.thread.dto.User3;

import java.util.List;

public interface User3Service {

    /*将user2中的字段加入到user3中*/
    public boolean insert(User3 user3);

    /*批量将user2中的字段加入到user3中*/
    public boolean insertForeach(List<User2> list);

    /*删除user3表中所有数据*/
    public boolean delete();
}
